/Engine/Source/Runtime/Interchange/Core/Public/InterchangePipelineBase.h
Return a mutable property states pointer. Return nullptr if the property do not exist
[FInterchangePipelinePropertyStates](API\Runtime\InterchangeCore\FInterchangePipelinePropertyStat-_1) * GetMutablePropertyStates ( const [FName](API\Runtime\Core\UObject\FName) PropertyPath )